20647091520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:555

約数の個数: 504

約数和(自身を含む): 78733680480

約数和(自身を除く): 58086588960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 121, 132, 144, 160, 165, 176, 179, 180, 192, 198, 220, 240, 242, 264, 288, 320, 330, 331, 352, 358, 360, 363, 396, 440, 480, 484, 495, 528, 537, 576, 605, 660, 662, 704, 716, 720, 726, 792, 880, 895, 960, 968, 990, 993, 1056, 1074, 1089, 1210, 1320, 1324, 1432, 1440, 1452, 1584, 1611, 1655, 1760, 1790, 1815, 1936, 1969, 1980, 1986, 2112, 2148, 2178, 2420, 2640, 2648, 2685, 2864, 2880, 2904, 2979, 3168, 3222, 3310, 3520, 3580, 3630, 3641, 3872, 3938, 3960, 3972, 4296, 4356, 4840, 4965, 5280, 5296, 5370, 5445, 5728, 5808, 5907, 5958, 6336, 6444, 6620, 7160, 7260, 7282, 7744, 7876, 7920, 7944, 8055, 8592, 8712, 9680, 9845, 9930, 10560, 10592, 10740, 10890, 10923, 11456, 11616, 11814, 11916, 12888, 13240, 14320, 14520, 14564, 14895, 15752, 15840, 15888, 16110, 17184, 17424, 17721, 18205, 19360, 19690, 19860, 21184, 21480, 21659, 21780, 21846, 23232, 23628, 23832, 25776, 26480, 28640, 29040, 29128, 29535, 29790, 31504, 31680, 31776, 32220, 32769, 34368, 34848, 35442, 36410, 38720, 39380, 39720, 40051, 42960, 43318, 43560, 43692, 47256, 47664, 51552, 52960, 54615, 57280, 58080, 58256, 59070, 59249, 59580, 63008, 63552, 64440, 64977, 65538, 69696, 70884, 72820, 78760, 79440, 80102, 85920, 86636, 87120, 87384, 88605, 94512, 95328, 103104, 105920, 108295, 109230, 116160, 116512, 118140, 118498, 119160, 120153, 126016, 128880, 129954, 131076, 141768, 145640, 157520, 158880, 160204, 163845, 171840, 173272, 174240, 174768, 177210, 177747, 189024, 190656, 194931, 200255, 216590, 218460, 233024, 236280, 236996, 238320, 240306, 257760, 259908, 262152, 283536, 291280, 296245, 315040, 317760, 320408, 324885, 327690, 346544, 348480, 349536, 354420, 355494, 360459, 378048, 389862, 400510, 433180, 436920, 472560, 473992, 476640, 480612, 515520, 519816, 524304, 533241, 567072, 582560, 592490, 600765, 630080, 640816, 649770, 651739, 655380, 693088, 699072, 708840, 710988, 720918, 779724, 801020, 866360, 873840, 888735, 945120, 947984, 953280, 961224, 974655, 1039632, 1048608, 1066482, 1134144, 1165120, 1184980, 1201530, 1281632, 1299540, 1303478, 1310760, 1386176, 1417680, 1421976, 1441836, 1559448, 1602040, 1732720, 1747680, 1777470, 1802295, 1890240, 1895968, 1922448, 1949310, 1955217, 2079264, 2097216, 2132964, 2369960, 2403060, 2563264, 2599080, 2606956, 2621520, 2666205, 2835360, 2843952, 2883672, 3118896, 3204080, 3258695, 3465440, 3495360, 3554940, 3604590, 3791936, 3844896, 3898620, 3910434, 4158528, 4265928, 4739920, 4806120, 5198160, 5213912, 5243040, 5332410, 5670720, 5687904, 5767344, 5865651, 6237792, 6408160, 6517390, 6930880, 7109880, 7169129, 7209180, 7689792, 7797240, 7820868, 8531856, 9479840, 9612240, 9776085, 10396320, 10427824, 10486080, 10664820, 11375808, 11534688, 11731302, 12475584, 12816320, 13034780, 14219760, 14338258, 14418360, 15594480, 15641736, 17063712, 18959680, 19224480, 19552170, 20792640, 20855648, 21329640, 21507387, 23069376, 23462604, 26069560, 28439520, 28676516, 28836720, 29328255, 31188960, 31283472, 34127424, 35845645, 38448960, 39104340, 41711296, 42659280, 43014774, 46925208, 52139120, 56879040, 57353032, 57673440, 58656510, 62377920, 62566944, 64522161, 71691290, 78208680, 85318560, 86029548, 93850416, 104278240, 107536935, 114706064, 115346880, 117313020, 125133888, 129044322, 143382580, 156417360, 170637120, 172059096, 187700832, 208556480, 215073870, 229412128, 234626040, 258088644, 286765160, 312834720, 322610805, 344118192, 375401664, 430147740, 458824256, 469252080, 516177288, 573530320, 625669440, 645221610, 688236384, 860295480, 938504160, 1032354576, 1147060640, 1290443220, 1376472768, 1720590960, 1877008320, 2064709152, 2294121280, 2580886440, 3441181920, 4129418304, 5161772880, 6882363840, 10323545760, 20647091520]

約数ペア:

[(1, 20647091520), (2, 10323545760), (3, 6882363840), (4, 5161772880), (5, 4129418304), (6, 3441181920), (8, 2580886440), (9, 2294121280), (10, 2064709152), (11, 1877008320), (12, 1720590960), (15, 1376472768), (16, 1290443220), (18, 1147060640), (20, 1032354576), (22, 938504160), (24, 860295480), (30, 688236384), (32, 645221610), (33, 625669440), (36, 573530320), (40, 516177288), (44, 469252080), (45, 458824256), (48, 430147740), (55, 375401664), (60, 344118192), (64, 322610805), (66, 312834720), (72, 286765160), (80, 258088644), (88, 234626040), (90, 229412128), (96, 215073870), (99, 208556480), (110, 187700832), (120, 172059096), (121, 170637120), (132, 156417360), (144, 143382580), (160, 129044322), (165, 125133888), (176, 117313020), (179, 115346880), (180, 114706064), (192, 107536935), (198, 104278240), (220, 93850416), (240, 86029548), (242, 85318560), (264, 78208680), (288, 71691290), (320, 64522161), (330, 62566944), (331, 62377920), (352, 58656510), (358, 57673440), (360, 57353032), (363, 56879040), (396, 52139120), (440, 46925208), (480, 43014774), (484, 42659280), (495, 41711296), (528, 39104340), (537, 38448960), (576, 35845645), (605, 34127424), (660, 31283472), (662, 31188960), (704, 29328255), (716, 28836720), (720, 28676516), (726, 28439520), (792, 26069560), (880, 23462604), (895, 23069376), (960, 21507387), (968, 21329640), (990, 20855648), (993, 20792640), (1056, 19552170), (1074, 19224480), (1089, 18959680), (1210, 17063712), (1320, 15641736), (1324, 15594480), (1432, 14418360), (1440, 14338258), (1452, 14219760), (1584, 13034780), (1611, 12816320), (1655, 12475584), (1760, 11731302), (1790, 11534688), (1815, 11375808), (1936, 10664820), (1969, 10486080), (1980, 10427824), (1986, 10396320), (2112, 9776085), (2148, 9612240), (2178, 9479840), (2420, 8531856), (2640, 7820868), (2648, 7797240), (2685, 7689792), (2864, 7209180), (2880, 7169129), (2904, 7109880), (2979, 6930880), (3168, 6517390), (3222, 6408160), (3310, 6237792), (3520, 5865651), (3580, 5767344), (3630, 5687904), (3641, 5670720), (3872, 5332410), (3938, 5243040), (3960, 5213912), (3972, 5198160), (4296, 4806120), (4356, 4739920), (4840, 4265928), (4965, 4158528), (5280, 3910434), (5296, 3898620), (5370, 3844896), (5445, 3791936), (5728, 3604590), (5808, 3554940), (5907, 3495360), (5958, 3465440), (6336, 3258695), (6444, 3204080), (6620, 3118896), (7160, 2883672), (7260, 2843952), (7282, 2835360), (7744, 2666205), (7876, 2621520), (7920, 2606956), (7944, 2599080), (8055, 2563264), (8592, 2403060), (8712, 2369960), (9680, 2132964), (9845, 2097216), (9930, 2079264), (10560, 1955217), (10592, 1949310), (10740, 1922448), (10890, 1895968), (10923, 1890240), (11456, 1802295), (11616, 1777470), (11814, 1747680), (11916, 1732720), (12888, 1602040), (13240, 1559448), (14320, 1441836), (14520, 1421976), (14564, 1417680), (14895, 1386176), (15752, 1310760), (15840, 1303478), (15888, 1299540), (16110, 1281632), (17184, 1201530), (17424, 1184980), (17721, 1165120), (18205, 1134144), (19360, 1066482), (19690, 1048608), (19860, 1039632), (21184, 974655), (21480, 961224), (21659, 953280), (21780, 947984), (21846, 945120), (23232, 888735), (23628, 873840), (23832, 866360), (25776, 801020), (26480, 779724), (28640, 720918), (29040, 710988), (29128, 708840), (29535, 699072), (29790, 693088), (31504, 655380), (31680, 651739), (31776, 649770), (32220, 640816), (32769, 630080), (34368, 600765), (34848, 592490), (35442, 582560), (36410, 567072), (38720, 533241), (39380, 524304), (39720, 519816), (40051, 515520), (42960, 480612), (43318, 476640), (43560, 473992), (43692, 472560), (47256, 436920), (47664, 433180), (51552, 400510), (52960, 389862), (54615, 378048), (57280, 360459), (58080, 355494), (58256, 354420), (59070, 349536), (59249, 348480), (59580, 346544), (63008, 327690), (63552, 324885), (64440, 320408), (64977, 317760), (65538, 315040), (69696, 296245), (70884, 291280), (72820, 283536), (78760, 262152), (79440, 259908), (80102, 257760), (85920, 240306), (86636, 238320), (87120, 236996), (87384, 236280), (88605, 233024), (94512, 218460), (95328, 216590), (103104, 200255), (105920, 194931), (108295, 190656), (109230, 189024), (116160, 177747), (116512, 177210), (118140, 174768), (118498, 174240), (119160, 173272), (120153, 171840), (126016, 163845), (128880, 160204), (129954, 158880), (131076, 157520), (141768, 145640)]